blob: 77a9a836623844781aab3e51bbbe4e09d09596dc [file] [log] [blame]
Guennadi Liakhovetskib5dc9b32008-04-14 10:53:12 +02001/*
2 * Copyright (C) 2008, Guennadi Liakhovetski <lg@denx.de>
3 *
4 * Configuration settings for the MX31ADS Freescale board.
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation; either version 2 of
9 * the License, or (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
19 * MA 02111-1307 USA
20 */
21
22#ifndef __CONFIG_H
23#define __CONFIG_H
24
25#include <asm/arch/mx31-regs.h>
26
27 /* High Level Configuration Options */
28#define CONFIG_ARM1136 1 /* This is an arm1136 CPU core */
29#define CONFIG_MX31 1 /* in a mx31 */
30#define CONFIG_MX31_HCLK_FREQ 26000000 /* RedBoot says 26MHz */
31#define CONFIG_MX31_CLK32 32000
32
33#define CONFIG_DISPLAY_CPUINFO
34#define CONFIG_DISPLAY_BOARDINFO
35
36/*
37 * Disabled for now due to build problems under Debian and a significant increase
38 * in the final file size: 144260 vs. 109536 Bytes.
39 */
40#if 0
41#define CONFIG_OF_LIBFDT 1
42#define CONFIG_FIT 1
43#define CONFIG_FIT_VERBOSE 1
44#endif
45
46#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
47#define CONFIG_SETUP_MEMORY_TAGS 1
48#define CONFIG_INITRD_TAG 1
49
50/*
51 * Size of malloc() pool
52 */
53#define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128 * 1024)
54#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
55
56/*
57 * Hardware drivers
58 */
59
60#define CONFIG_MX31_UART 1
61#define CFG_MX31_UART1 1
62
63/* allow to overwrite serial and ethaddr */
64#define CONFIG_ENV_OVERWRITE
65#define CONFIG_CONS_INDEX 1
66#define CONFIG_BAUDRATE 115200
67#define CFG_BAUDRATE_TABLE {9600, 19200, 38400, 57600, 115200}
68
69/***********************************************************
70 * Command definition
71 ***********************************************************/
72
73#include <config_cmd_default.h>
74
75#define CONFIG_CMD_MII
76#define CONFIG_CMD_PING
77
78#define CONFIG_BOOTDELAY 3
79
80#define CONFIG_NETMASK 255.255.255.0
81#define CONFIG_IPADDR 192.168.23.168
82#define CONFIG_SERVERIP 192.168.23.2
83
84#define CONFIG_EXTRA_ENV_SETTINGS \
85 "bootargs_base=setenv bootargs console=ttymxc0,115200\0" \
86 "bootargs_nfs=setenv bootargs $(bootargs) root=/dev/nfs ip=dhcp nfsroot=$(serverip):$(nfsrootfs),v3,tcp\0" \
87 "bootcmd=run bootcmd_net\0" \
88 "bootcmd_net=run bootargs_base bootargs_mtd bootargs_nfs; tftpboot 0x80000000 uImage-mx31; bootm\0" \
89 "prg_uboot=tftpboot 0x80000000 u-boot-mx31ads.bin; protect off 0xa0000000 0xa001ffff; erase 0xa0000000 0xa001ffff; cp.b 0x80000000 0xa0000000 $(filesize)\0"
90
91
92#define CONFIG_DRIVER_CS8900 1
93#define CS8900_BASE 0xb4020300
94#define CS8900_BUS16 1 /* the Linux driver does accesses as shorts */
95
96/*
97 * Miscellaneous configurable options
98 */
99#define CFG_LONGHELP /* undef to save memory */
100#define CFG_PROMPT "=> "
101#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
102/* Print Buffer Size */
103#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16)
104#define CFG_MAXARGS 16 /* max number of command args */
105#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
106
107#define CFG_MEMTEST_START 0 /* memtest works on */
108#define CFG_MEMTEST_END 0x10000
109
110#undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */
111
112#define CFG_LOAD_ADDR CSD0_BASE /* default load address */
113
114#define CFG_HZ 32000
115
116#define CONFIG_CMDLINE_EDITING 1
117
118/*-----------------------------------------------------------------------
119 * Stack sizes
120 *
121 * The stack sizes are set up in start.S using the settings below
122 */
123#define CONFIG_STACKSIZE (128 * 1024) /* regular stack */
124
125/*-----------------------------------------------------------------------
126 * Physical Memory Map
127 */
128#define CONFIG_NR_DRAM_BANKS 1
129#define PHYS_SDRAM_1 CSD0_BASE
130#define PHYS_SDRAM_1_SIZE (128 * 1024 * 1024)
131
132/*-----------------------------------------------------------------------
133 * FLASH and environment organization
134 */
135#define CFG_FLASH_BASE CS0_BASE
136#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
137#define CFG_MAX_FLASH_SECT 262 /* max number of sectors on one chip */
138#define CFG_MONITOR_BASE CFG_FLASH_BASE /* Monitor at beginning of flash */
139#define CFG_MONITOR_LEN (128 * 1024) /* Reserve 128KiB */
140
141#define CFG_ENV_IS_IN_FLASH 1
142#define CFG_ENV_SECT_SIZE (32 * 1024)
143#define CFG_ENV_SIZE CFG_ENV_SECT_SIZE
144/* S29WS256N NOR flash has 4 32KiB small sectors at the beginning and at the end.
145 * The rest of 32MiB is in 128KiB big sectors. U-Boot occupies the low 4 sectors,
146 * if we put environment next to it, we will have to occupy 128KiB for it.
147 * Putting it at the top of flash we use only 32KiB. */
148#define CFG_ENV_ADDR (CFG_MONITOR_BASE + 32 * 1024 * 1024 - CFG_ENV_SIZE)
149
150/*-----------------------------------------------------------------------
151 * CFI FLASH driver setup
152 */
153#define CFG_FLASH_CFI 1 /* Flash memory is CFI compliant */
154#define CFG_FLASH_CFI_DRIVER 1 /* Use drivers/cfi_flash.c */
155#if 0 /* Doesn't work yet, work in progress */
156#define CFG_FLASH_USE_BUFFER_WRITE 1 /* Use buffered writes (~10x faster) */
157#endif
158#define CFG_FLASH_PROTECTION 1 /* Use hardware sector protection */
159
160/*
161 * JFFS2 partitions
162 */
163#undef CONFIG_JFFS2_CMDLINE
164#define CONFIG_JFFS2_DEV "nor0"
165
166#endif /* __CONFIG_H */